package org.example.Interceptors;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Description
 * @Author 魏锴
 * @Date 2023/12/8
 */

@Component
public class loginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {    //此处判断session会话当中是否存在localUser
        Object obj = request.getSession().getAttribute("localUser");
        if (obj != null) {
            return true;
        } else {
            response.sendRedirect("/login");
            return false;
        }
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
//        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
//        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
